Submission #552096

#	Time	Username	Problem	Language	Result	Execution time	Memory
552096		Trisanu_Das	Memory (IOI10_memory)	C++17	Compilation error	0 ms	0 KiB

memory

#include "grader.h"
using namespace std;
#include "memory.h"
#include <bits/stdc++.h>
 
void play() {
   // storing the positions of previously found values
   int pos[51] = {};
   for(int i = 1; i <= 50; i++) {
      int card = faceup(i);
     // if not previously found check with others
      if(pos[card] == 0) pos[r] = i, faceup(i % 50 + 1);
     // but if found earlier, get a chocolate!!
      else faceup(pos[card]);
   }
 
}

Compilation message (stderr)

memory.cpp: In function 'void play()':
memory.cpp:12:30: error: 'r' was not declared in this scope
   12 |       if(pos[card] == 0) pos[r] = i, faceup(i % 50 + 1);
      |                              ^